2 Copyright (C) 2002 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "ardour/meter.h"
24 #include <gtkmm2ext/utils.h>
25 #include "pbd/fastlog.h"
27 #include "ardour_ui.h"
28 #include "global_signals.h"
29 #include "level_meter.h"
32 #include "gui_thread.h"
34 #include "public_editor.h"
38 using namespace ARDOUR;
39 using namespace ARDOUR_UI_UTILS;
41 using namespace Gtkmm2ext;
45 LevelMeterBase::LevelMeterBase (Session* s, PBD::EventLoop::InvalidationRecord* ir, FastMeter::Orientation o)
46 : parent_invalidator(ir)
48 , _meter_orientation(o)
49 , regular_meter_width (6)
54 Config->ParameterChanged.connect (_parameter_connection, parent_invalidator, boost::bind (&LevelMeterBase::parameter_changed, this, _1), gui_context());
55 UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &LevelMeterBase::on_theme_changed));
56 ColorsChanged.connect (sigc::mem_fun (*this, &LevelMeterBase::color_handler));
57 max_peak = minus_infinity();
58 meter_type = MeterPeak;
62 LevelMeterBase::on_theme_changed()
67 LevelMeterBase::~LevelMeterBase ()
69 _configuration_connection.disconnect();
70 _meter_type_connection.disconnect();
71 _parameter_connection.disconnect();
72 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); i++) {
79 LevelMeterBase::set_meter (PeakMeter* meter)
81 _configuration_connection.disconnect();
82 _meter_type_connection.disconnect();
88 _meter->ConfigurationChanged.connect (_configuration_connection, parent_invalidator, boost::bind (&LevelMeterBase::configuration_changed, this, _1, _2), gui_context());
89 _meter->TypeChanged.connect (_meter_type_connection, parent_invalidator, boost::bind (&LevelMeterBase::meter_type_changed, this, _1), gui_context());
93 static float meter_lineup_cfg(MeterLineUp lul, float offset) {
95 case MeteringLineUp24:
97 case MeteringLineUp20:
99 case MeteringLineUp18:
101 case MeteringLineUp15:
109 static float meter_lineup(float offset) {
110 return meter_lineup_cfg(Config->get_meter_line_up_level(), offset);
113 static float vu_standard() {
114 // note - default meter config is +2dB (france)
115 switch (Config->get_meter_vu_standard()) {
117 case MeteringVUfrench: // 0VU = -2dBu
119 case MeteringVUamerican: // 0VU = 0dBu
121 case MeteringVUstandard: // 0VU = +4dBu
123 case MeteringVUeight: // 0VU = +8dBu
129 LevelMeterBase::update_meters ()
131 vector<MeterInfo>::iterator i;
138 uint32_t nmidi = _meter->input_streams().n_midi();
140 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
142 const float mpeak = _meter->meter_level(n, MeterMaxPeak);
143 if (mpeak > (*i).max_peak) {
144 (*i).max_peak = mpeak;
145 (*i).meter->set_highlight(mpeak >= Config->get_meter_peak());
147 if (mpeak > max_peak) {
152 (*i).meter->set (_meter->meter_level (n, MeterPeak));
154 const float peak = _meter->meter_level (n, meter_type);
155 if (meter_type == MeterPeak) {
156 (*i).meter->set (log_meter (peak));
157 } else if (meter_type == MeterIEC1NOR) {
158 (*i).meter->set (meter_deflect_nordic (peak + meter_lineup(0)));
159 } else if (meter_type == MeterIEC1DIN) {
160 (*i).meter->set (meter_deflect_din (peak + meter_lineup_cfg(Config->get_meter_line_up_din(), 3.0)));
161 } else if (meter_type == MeterIEC2BBC || meter_type == MeterIEC2EBU) {
162 (*i).meter->set (meter_deflect_ppm (peak + meter_lineup(0)));
163 } else if (meter_type == MeterVU) {
164 (*i).meter->set (meter_deflect_vu (peak + vu_standard() + meter_lineup(0)));
165 } else if (meter_type == MeterK12) {
166 (*i).meter->set (meter_deflect_k (peak, 12), meter_deflect_k(_meter->meter_level(n, MeterPeak), 12));
167 } else if (meter_type == MeterK14) {
168 (*i).meter->set (meter_deflect_k (peak, 14), meter_deflect_k(_meter->meter_level(n, MeterPeak), 14));
169 } else if (meter_type == MeterK20) {
170 (*i).meter->set (meter_deflect_k (peak, 20), meter_deflect_k(_meter->meter_level(n, MeterPeak), 20));
172 (*i).meter->set (log_meter (peak), log_meter(_meter->meter_level(n, MeterPeak)));
181 LevelMeterBase::parameter_changed (string p)
183 ENSURE_GUI_THREAD (*this, &LevelMeterBase::parameter_changed, p)
185 if (p == "meter-hold") {
186 vector<MeterInfo>::iterator i;
189 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
190 (*i).meter->set_hold_count ((uint32_t) floor(Config->get_meter_hold()));
193 else if (p == "meter-line-up-level") {
194 color_changed = true;
195 setup_meters (meter_length, regular_meter_width, thin_meter_width);
197 else if (p == "meter-style-led") {
198 color_changed = true;
199 setup_meters (meter_length, regular_meter_width, thin_meter_width);
201 else if (p == "meter-peak") {
202 vector<MeterInfo>::iterator i;
205 for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
206 (*i).max_peak = minus_infinity();
212 LevelMeterBase::configuration_changed (ChanCount /*in*/, ChanCount /*out*/)
214 color_changed = true;
215 setup_meters (meter_length, regular_meter_width, thin_meter_width);
219 LevelMeterBase::meter_type_changed (MeterType t)
222 color_changed = true;
223 setup_meters (meter_length, regular_meter_width, thin_meter_width);
228 LevelMeterBase::hide_all_meters ()
230 for (vector<MeterInfo>::iterator i = meters.begin(); i != meters.end(); ++i) {
232 mtr_remove (*((*i).meter));
239 LevelMeterBase::setup_meters (int len, int initial_width, int thin_width)
244 return; /* do it later or never */
247 int32_t nmidi = _meter->input_streams().n_midi();
248 uint32_t nmeters = _meter->input_streams().n_total();
249 regular_meter_width = initial_width;
250 thin_meter_width = thin_width;
260 width = regular_meter_width;
262 width = thin_meter_width;
265 while (meters.size() < nmeters) {
266 meters.push_back (MeterInfo());
269 //cerr << "LevelMeterBase::setup_meters() called color_changed = " << color_changed << " colors: " << endl;//DEBUG
271 for (int32_t n = nmeters-1; nmeters && n >= 0 ; --n) {
275 int styleflags = Config->get_meter_style_led() ? 3 : 1;
276 b[0] = ARDOUR_UI::config()->color ("meter background bottom");
277 b[1] = ARDOUR_UI::config()->color ("meter background top");
278 b[2] = 0x991122ff; // red highlight gradient Bot
279 b[3] = 0x551111ff; // red highlight gradient Top
281 c[0] = ARDOUR_UI::config()->color ("midi meter color0");
282 c[1] = ARDOUR_UI::config()->color ("midi meter color1");
283 c[2] = ARDOUR_UI::config()->color ("midi meter color2");
284 c[3] = ARDOUR_UI::config()->color ("midi meter color3");
285 c[4] = ARDOUR_UI::config()->color ("midi meter color4");
286 c[5] = ARDOUR_UI::config()->color ("midi meter color5");
287 c[6] = ARDOUR_UI::config()->color ("midi meter color6");
288 c[7] = ARDOUR_UI::config()->color ("midi meter color7");
289 c[8] = ARDOUR_UI::config()->color ("midi meter color8");
290 c[9] = ARDOUR_UI::config()->color ("midi meter color9");
291 stp[0] = 115.0 * 32.0 / 128.0;
292 stp[1] = 115.0 * 64.0 / 128.0;
293 stp[2] = 115.0 * 100.0 / 128.0;
294 stp[3] = 115.0 * 112.0 / 128.0;
296 c[0] = ARDOUR_UI::config()->color ("meter color0");
297 c[1] = ARDOUR_UI::config()->color ("meter color1");
298 c[2] = ARDOUR_UI::config()->color ("meter color2");
299 c[3] = ARDOUR_UI::config()->color ("meter color3");
300 c[4] = ARDOUR_UI::config()->color ("meter color4");
301 c[5] = ARDOUR_UI::config()->color ("meter color5");
302 c[6] = ARDOUR_UI::config()->color ("meter color6");
303 c[7] = ARDOUR_UI::config()->color ("meter color7");
304 c[8] = ARDOUR_UI::config()->color ("meter color8");
305 c[9] = ARDOUR_UI::config()->color ("meter color9");
307 switch (meter_type) {
309 stp[0] = 115.0 * meter_deflect_k(-40, 20); //-20
310 stp[1] = 115.0 * meter_deflect_k(-20, 20); // 0
311 stp[2] = 115.0 * meter_deflect_k(-18, 20); // +2
312 stp[3] = 115.0 * meter_deflect_k(-16, 20); // +4
313 c[0] = c[1] = 0x008800ff;
314 c[2] = c[3] = 0x00ff00ff;
315 c[4] = c[5] = 0xffff00ff;
316 c[6] = c[7] = 0xffff00ff;
317 c[8] = c[9] = 0xff0000ff;
320 stp[0] = 115.0 * meter_deflect_k(-34, 14); //-20
321 stp[1] = 115.0 * meter_deflect_k(-14, 14); // 0
322 stp[2] = 115.0 * meter_deflect_k(-12, 14); // +2
323 stp[3] = 115.0 * meter_deflect_k(-10, 14); // +4
324 c[0] = c[1] = 0x008800ff;
325 c[2] = c[3] = 0x00ff00ff;
326 c[4] = c[5] = 0xffff00ff;
327 c[6] = c[7] = 0xffff00ff;
328 c[8] = c[9] = 0xff0000ff;
331 stp[0] = 115.0 * meter_deflect_k(-32, 12); //-20
332 stp[1] = 115.0 * meter_deflect_k(-12, 12); // 0
333 stp[2] = 115.0 * meter_deflect_k(-10, 12); // +2
334 stp[3] = 115.0 * meter_deflect_k( -8, 12); // +4
335 c[0] = c[1] = 0x008800ff;
336 c[2] = c[3] = 0x00ff00ff;
337 c[4] = c[5] = 0xffff00ff;
338 c[6] = c[7] = 0xffff00ff;
339 c[8] = c[9] = 0xff0000ff;
342 c[0] = c[1] = c[2] = c[3] = c[4] = c[5] = c[6] = c[7] = c[8] = c[9] =
343 ARDOUR_UI::config()->color ("meter color BBC");
344 stp[0] = stp[1] = stp[2] = stp[3] = 115.0;
347 stp[0] = 115.0 * meter_deflect_ppm(-24); // ignored
348 stp[1] = 115.0 * meter_deflect_ppm(-18);
349 stp[2] = 115.0 * meter_deflect_ppm( -9);
350 stp[3] = 115.0 * meter_deflect_ppm( 0); // ignored
352 c[6] = c[7] = c[8] = c[9];
355 stp[0] = 115.0 * meter_deflect_nordic(-30); // ignored
356 stp[1] = 115.0 * meter_deflect_nordic(-18);
357 stp[2] = 115.0 * meter_deflect_nordic(-12);
358 stp[3] = 115.0 * meter_deflect_nordic( -9); // ignored
359 c[0] = c[1] = c[2]; // bright-green
360 c[6] = c[7] = c[8] = c[9];
363 stp[0] = 115.0 * meter_deflect_din(-29); // ignored
364 stp[1] = 115.0 * meter_deflect_din(-18);
365 stp[2] = 115.0 * meter_deflect_din(-15); // ignored
366 stp[3] = 115.0 * meter_deflect_din( -9);
367 c[0] = c[2] = c[3] = c[1];
372 stp[0] = 115.0 * meter_deflect_vu(-26); // -6
373 stp[1] = 115.0 * meter_deflect_vu(-23); // -3
374 stp[2] = 115.0 * meter_deflect_vu(-20); // 0
375 stp[3] = 115.0 * meter_deflect_vu(-18); // +2
376 c[0] = c[2] = c[3] = c[4] = c[5] = c[1];
377 c[7] = c[8] = c[9] = c[6];
379 default: // PEAK, RMS
380 stp[1] = 77.5; // 115 * log_meter(-10)
381 stp[2] = 92.5; // 115 * log_meter(-3)
382 stp[3] = 100.0; // 115 * log_meter(0)
383 switch (Config->get_meter_line_up_level()) {
384 case MeteringLineUp24:
387 case MeteringLineUp20:
391 case MeteringLineUp18:
394 case MeteringLineUp15:
400 if (meters[n].width != width || meters[n].length != len || color_changed || meter_type != visible_meter_type) {
401 bool hl = meters[n].meter ? meters[n].meter->get_highlight() : false;
402 meters[n].packed = false;
403 delete meters[n].meter;
404 meters[n].meter = new FastMeter ((uint32_t) floor (Config->get_meter_hold()), width, _meter_orientation, len,
405 c[0], c[1], c[2], c[3], c[4],
406 c[5], c[6], c[7], c[8], c[9],
407 b[0], b[1], b[2], b[3],
408 stp[0], stp[1], stp[2], stp[3],
411 meters[n].meter->set_highlight(hl);
412 meters[n].width = width;
413 meters[n].length = len;
414 meters[n].meter->add_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
415 meters[n].meter->signal_button_press_event().connect (sigc::mem_fun (*this, &LevelMeterBase::meter_button_press), false);
416 meters[n].meter->signal_button_release_event().connect (sigc::mem_fun (*this, &LevelMeterBase::meter_button_release), false);
419 //pack_end (*meters[n].meter, false, false);
420 mtr_pack (*meters[n].meter);
421 meters[n].meter->show_all ();
422 meters[n].packed = true;
425 color_changed = false;
426 visible_meter_type = meter_type;
430 LevelMeterBase::set_type(MeterType t)
437 LevelMeterBase::meter_button_press (GdkEventButton* ev)
439 return !!ButtonPress (ev); /* EMIT SIGNAL */
443 LevelMeterBase::meter_button_release (GdkEventButton* ev)
445 if (ev->button == 1) {
446 clear_meters (false);
454 void LevelMeterBase::clear_meters (bool reset_highlight)
456 for (vector<MeterInfo>::iterator i = meters.begin(); i < meters.end(); i++) {
458 (*i).max_peak = minus_infinity();
460 (*i).meter->set_highlight(false);
462 max_peak = minus_infinity();
465 void LevelMeterBase::hide_meters ()
471 LevelMeterBase::color_handler ()
473 color_changed = true;
474 setup_meters (meter_length, regular_meter_width, thin_meter_width);
477 LevelMeterHBox::LevelMeterHBox(Session* s)
478 : LevelMeterBase(s, invalidator(*this))
485 LevelMeterHBox::~LevelMeterHBox() {}
488 LevelMeterHBox::mtr_pack(Gtk::Widget &w) {
489 pack_end (w, false, false);
493 LevelMeterHBox::mtr_remove(Gtk::Widget &w) {
498 LevelMeterVBox::LevelMeterVBox(Session* s)
499 : LevelMeterBase(s, invalidator(*this), FastMeter::Horizontal)
504 LevelMeterVBox::~LevelMeterVBox() {}
507 LevelMeterVBox::mtr_pack(Gtk::Widget &w) {
508 pack_end (w, false, false);
512 LevelMeterVBox::mtr_remove(Gtk::Widget &w) {